package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {

    /**
     * 根据商品分类查找对应的品牌列表
     * @param categoryName
     * @return java.util.List<java.util.Map>
     * @throws
     * @description
     * @author kfzhao
     * @date 2021/12/25 1:02
     */
    @Select("select name, image from tb_brand where id in  (select brand_id from tb_category_brand where category_id in (select id from tb_category where name=#{categoryName}))")
    public List<Map> findBrandListByCategoryName(@Param("categoryName") String categoryName);
}
